1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "SkGraphics.h" 9 #include "SkPaint.h" 10 #include "SkTLS.h" 11 #include "Test.h" 12 #include <atomic> 13 #include <thread> 14 15 static void thread_main() { 16 SkGraphics::SetTLSFontCacheLimit(1 * 1024 * 1024); 17 18 const char text[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"; 19 size_t len = strlen(text); 20 21 SkPaint paint; 22 23 for (int j = 0; j < 10; ++j) { 24 for (int i = 9; i <= 48; ++i) { 25 paint.setTextSize(SkIntToScalar(i)); 26 paint.setAntiAlias(false); 27 paint.measureText(text, len); 28 paint.setAntiAlias(true); 29 paint.measureText(text, len); 30 } 31 } 32 } 33 34 template <typename Fn> 35 static void test_threads(Fn fn) { 36 std::thread threads[8]; 37 38 for (auto& thread : threads) { 39 thread = std::thread(fn); 40 } 41 for (auto& thread : threads) { 42 thread.join(); 43 } 44 } 45 46 static std::atomic<int> gCounter{0}; 47 48 static void* fake_create_TLS() { 49 gCounter++; 50 return nullptr; 51 } 52 static void fake_delete_TLS(void*) { 53 gCounter--; 54 } 55 56 DEF_TEST(TLS, reporter) { 57 // TODO: Disabled for now to work around 58 // http://code.google.com/p/skia/issues/detail?id=619 59 // ('flaky segfault in TLS test on Shuttle_Ubuntu12 buildbots') 60 if( false ) test_threads(&thread_main); 61 62 // Test to ensure that at thread destruction, TLS destructors 63 // have been called. 64 test_threads([] { 65 SkTLS::Get(fake_create_TLS, fake_delete_TLS); 66 }); 67 REPORTER_ASSERT(reporter, 0 == gCounter.load()); 68 } 69
